ORA-27302: failure occurred at: skgpspawn3 可能的原因及处理


ORA-27302: failure occurred at: skgpspawn3 可能的原因及处理
问题现象:

Mon May 26 07:08:58 GMT+08:00 2014Process startup failed, error stack:
Mon May 26 07:08:58 GMT+08:00 2014Errors in file /Oracle/app/admin/oracle10/bdump/oracle10_1_psp0_7733326.trc:
ORA-27300: OS system dependent operation:fork failed with status: 12
ORA-27301: OS failure message: Not enough space
ORA-27302: failure occurred at: skgpspawn3

根据报错检查本地磁盘,存储空间,发现均无异常。

问题解决:

mos:(文档 ID 560309.1)

1、根本原因是因为交换空间 swap space (paging space) 设置不合理导致

正确配置参数:

RAM                                SWAP
1GB to 2GB                    1.5 times RAM
> 2GB and <= 8GB          1 times RAM
> 8GB                              0.75 times RAM

In 11.2, it is:
RAM                                  SWAP
1GB to 2GB                    1.5 times RAM
> 2GB and <= 16GB        1 times RAM
> 16GB                            16GB RAM

2、此外还需注意下spfile 中是否含这类内存参数:

lock_sga=true
-  db_keep_cache_size=<High Value >

3、或者也有可能确实是系统物理内存不足了

4、当然 用户的环境变量限制 的某些参数设置页会导致这个问题 可以用这个命令查看下: ulimit -a

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